Data Sheet

ICM-20948
Document Number: DS-000189 Page 60 of 89
Revision: 1.3
GYRO_FCHOICE GYRO_DLPFCFG
OUTPUT
3DB BW
[HZ]
NBW [HZ] RATE [HZ]
0 x 12106 12316 9000
1 0 196.6 229.8
1125/(1+GYRO_SMPLRT_DIV)Hz where
GYRO_SMPLRT_DIV is 0, 1, 2,…255
1 1 151.8 187.6
1125/(1+GYRO_SMPLRT_DIV)Hz where
GYRO_SMPLRT_DIV is 0, 1, 2,…255
1 2 119.5 154.3
1125/(1+GYRO_SMPLRT_DIV)Hz where
GYRO_SMPLRT_DIV is 0, 1, 2,…255
1 3 51.2 73.3
1125/(1+GYRO_SMPLRT_DIV)Hz where
GYRO_SMPLRT_DIV is 0, 1, 2,…255
1 4 23.9 35.9
1125/(1+GYRO_SMPLRT_DIV)Hz where
GYRO_SMPLRT_DIV is 0, 1, 2,…255
1 5 11.6 17.8
1125/(1+GYRO_SMPLRT_DIV)Hz where
GYRO_SMPLRT_DIV is 0, 1, 2,…255
1 6 5.7 8.9
1125/(1+GYRO_SMPLRT_DIV)Hz where
GYRO_SMPLRT_DIV is 0, 1, 2,…255
1 7 361.4 376.5
1125/(1+GYRO_SMPLRT_DIV)Hz where
GYRO_SMPLRT_DIV is 0, 1, 2,…255
Table 16. Gyroscope Configuration 1
10.3 GYRO_CONFIG_2
Name: GYRO_CONFIG_2
Address: 2 (02h)
Type: USR2
Bank: 2
Serial IF: R/W
Reset Value: 0x00
BIT NAME FUNCTION
7:6
-
Reserved.
5
XGYRO_CTEN
X Gyro self-test enable.
4
YGYRO_CTEN
Y Gyro self-test enable.
3
ZGYRO_CTEN
Z Gyro self-test enable.
2:0
GYRO_AVGCFG[2:0]
Averaging filter configuration settings for low-power mode.
0: 1x averaging.
1: 2x averaging.
2: 4x averaging.
3: 8x averaging.
4: 16x averaging.
5: 32x averaging.
6: 64x averaging.
7: 128x averaging.
Table 17 lists the gyroscope filter bandwidths available in the low-power mode of operation. In the low-power mode
of operation, the gyroscope is duty-cycled.